1 files changed, 18 insertions, 0 deletions
diff --git a/spec/ruby/core/enumerator/lazy/reject_spec.rb b/spec/ruby/core/enumerator/lazy/reject_spec.rb
index 2661907b39..03444b471f 100644
--- a/spec/ruby/core/enumerator/lazy/reject_spec.rb
+++ b/spec/ruby/core/enumerator/lazy/reject_spec.rb
@@ -33,6 +33,18 @@ describe "Enumerator::Lazy#reject" do
     end
   end
 
+  it "lets exceptions raised in the block go through" do
+    lazy = 10.times.lazy.map do |i|
+      raise "foo"
+    end
+
+    lazy = lazy.reject(&:nil?)
+
+    -> {
+      lazy.first
+    }.should raise_error(RuntimeError, "foo")
+  end
+
   it "calls the block with a gathered array when yield with multiple arguments" do
     yields = []
     @yieldsmixed.reject { |v| yields << v }.force
@@ -57,4 +69,10 @@ describe "Enumerator::Lazy#reject" do
       end
     end
   end
+
+  it "works with an infinite enumerable" do
+    s = 0..Float::INFINITY
+    s.lazy.reject { |n| false }.first(100).should ==
+      s.first(100).reject { |n| false }
+  end
 end